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//
// Socks5Error.swift
// MullvadTransport
//
// Created by pronebird on 21/10/2023.
//
import Foundation
import Network
/// The errors returned by objects implementing socks proxy.
public enum Socks5Error: Error, Sendable {
/// Unexpected end of stream.
case unexpectedEndOfStream
/// Failure to decode the domain name from byte stream into utf8 string.
case decodeDomainName
/// Failure to parse IPv4 address from raw data.
case parseIPv4Address
/// Failure to parse IPv6 address from raw data.
case parseIPv6Address
/// Server replied with invalid socks version.
case invalidSocksVersion
/// Server replied with unknown endpoint address type.
case invalidAddressType
/// Invalid (unassigned) status code is returned.
case invalidStatusCode(UInt8)
/// Server replied with unsupported authentication method.
case unsupportedAuthMethod
/// Invalid username or password was provided to the server
case invalidUsernameOrPassword
/// None of the auth methods listed by the client are acceptable.
case unacceptableAuthMethods
/// Connection request is rejected.
case connectionRejected(Socks5StatusCode)
/// Failure to instantiate a TCP listener.
case createTcpListener(Error)
/// Socks forwarding proxy was cancelled during startup.
case cancelledDuringStartup
/// Local connection failure.
case localConnectionFailure(NWError)
/// Remote connection failure.
case remoteConnectionFailure(NWError)
}
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